Difference Between Does and Is

Question

Hi,I am intermediate in English.What is the difference between Does and Is?What is the difference between say and tell?Regards,Raj

Clive · Accepted Answer

What is the difference between Does and Is?
Are you asking about their use as auxiliary verbs in various tenses?
eg Simple Present She does (not) cook diner.
eg Present continuous She is cooking dinner.
Or are you asking more generally about meaning? If so, look up 'be' and 'do' in your dictionary.

What is the difference between say and tell?
Here's the very broad idea.
say focuses on the words that came out of a person's mouth
eg I didn't hear him. What did he say? He said 'It's cold'.

tell focuses on giving information
eg Can you tell me the time?

Clive

An0nymous · Answer

Does and is are two completely different verbs with different meanings and usages. Does is normally the third person singular present tense form of the verb to do, and is is normally the third person singular present tense form of the verb to be. Moreover, to do is normally used transitively, and to be is normally used intransitively.

Nevertheless, there are situations where these verbs seem synonymous, even though they are not. For example, the following three sentences mean the same thing, even though the verbs are entirely different, and in the second and third sentences does and is appear to be synonymous and interchangeable, even though they are not really:

He does well in math. (But you can't say: He is well in math.)
He is good in math.
He does good in math.

Say and tell are different verbs. They have a similar sense, but they are used differently. However, there are certain situations where they are synonymous and interchangeable, for example:

He gave us his statement of what happened, but his brother says it differently
He gave us his statement of what happened, but his brother tells it differently.

Canadian45 · Answer

http://www.english-test.net/forum/ftopic133169.html

CalifJim · Answer

AnonymousWhat is the difference between Does and Is?

Use 'does', 'do', and 'did' with verbs in plain form.
Use 'is', 'was', 'are', 'were', etc.. with verbs in the -ing form or with other parts of speech.

CJ

Difference Between Does and Is

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